{"instruction": "You are an expert in event extraction. Please extract event types and event trigger words from the input that conform to the schema definition. Return an empty list for non-existent events. Please respond in the format of a JSON string.", "schema": ["data breach", "discover vulnerability", "ransom"], "input": "The hackers demanded that officials pay a ransom of US$ 51,000 to be sent to a bitcoin wallet ."}
{"data breach": [], "discover vulnerability": [], "ransom": ["demanded"]}